- MANUFACTURER: GLOCK
- FAMILY: G21 Series
- MODEL: G21 G4
- TYPE: Semi-Auto Pistol
- ACTION: Safe Action
- CALIBER/GAUGE: 45 ACP
- FINISH: Gas Nitride
- FINISH TYPE: Black
- FRAME: Polymer Frame
- BARREL: 4.60"
- OVERALL LENGTH: 8.03"
- CAPACITY: 13 + 1
- # OF MAGAZINES: 3
- MAG DESCRIPTION: 13 rd.
- SIGHTS: Fixed GLock Sights
- SIGHT TYPE: Fixed Sights
- WEIGHT: 29.30 oz.
- SHIPPING WEIGHT: 3.95 lbs.
- SAFETY FEATURES: No Manual Safety
- CASE: Plastic
- ADDL INFO: US Made
- MFG MODEL NO: UG2150203
- UPC: 764503913648
- FFL: Yes
- Caliber: .45 ACP